* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
+ * Copyright 2001, 2002, 2003 Ximian, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
+#include <string.h>
#include <stdio.h>
#include <stdlib.h>
+#include <stdarg.h>
#include <libbonobo.h>
#include <orbit/orbit.h>
#include <atk/atk.h>
#include <atk/atkobject.h>
#include <atk/atknoopobject.h>
#include <libspi/Accessibility.h>
+#include <libspi/spi-private.h>
#include "accessible.h"
#include "application.h"
-#define SPI_BRIDGE_DEBUG 1
+#include <bonobo-activation/bonobo-activation-register.h>
-#define APP_STATIC_BUFF_SZ 64
+#undef SPI_BRIDGE_DEBUG
-typedef struct _ArgStruct ArgStruct;
-
-struct _ArgStruct {
- gint c;
- char **v;
-};
+#define DBG(a,b) if(_dbg>=(a))b
+static int _dbg = 0;
static CORBA_Environment ev;
-static Accessibility_Registry registry;
-static SpiApplication *this_app;
-
-static gboolean bridge_register_app (gpointer p);
-static void bridge_focus_tracker (AtkObject *object);
-static void bridge_exit_func(void);
-static gboolean bridge_register_event_listener ();
-static void register_atk_event_listeners();
-static gboolean bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean bridge_state_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
-static gboolean bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data);
+static Accessibility_Registry registry = CORBA_OBJECT_NIL;
+static Accessibility_DeviceEventController device_event_controller = CORBA_OBJECT_NIL;
+static SpiApplication *this_app = NULL;
+static gboolean registry_died = FALSE;
+static gboolean atk_listeners_registered = FALSE;
+static gint toplevels = 0;
-static gint bridge_key_listener (AtkImplementor *atk_impl,
- AtkKeyEventStruct *event,
- gpointer data);
+static guint atk_signal_text_changed;
+static guint atk_signal_children_changed;
+static guint atk_signal_active_descendant_changed;
+static guint atk_signal_text_selection_changed;
-int
-gtk_module_init(gint *argc, gchar **argv[])
+/* NOT YET USED
+ static guint atk_signal_row_reordered;
+ static guint atk_signal_row_inserted;
+ static guint atk_signal_row_deleted;
+ static guint atk_signal_column_reordered;
+ static guint atk_signal_column_inserted;
+ static guint atk_signal_column_deleted;
+*/
+
+static guint atk_signal_link_selected;
+
+static Accessibility_Registry spi_atk_bridge_get_registry (void);
+static void spi_atk_bridge_do_registration (void);
+static void spi_atk_bridge_toplevel_added (AtkObject *object,
+ guint index,
+ AtkObject *child);
+static void spi_atk_bridge_toplevel_removed (AtkObject *object,
+ guint index,
+ AtkObject *child);
+
+static void spi_atk_bridge_exit_func (void);
+static void spi_atk_register_event_listeners (void);
+static void spi_atk_deregister_event_listeners (void);
+static void spi_atk_bridge_focus_tracker (AtkObject *object);
+static void spi_atk_bridge_register_application (Accessibility_Registry registry);
+static gboolean spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gboolean spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data);
+static gint spi_atk_bridge_key_listener (AtkKeyEventStruct *event,
+ gpointer data);
+static void spi_atk_tidy_windows (void);
+static void deregister_application (BonoboObject *app);
+static void reinit_register_vars (void);
+
+/* For automatic libgnome init */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
+
+static int atk_bridge_initialized = FALSE;
+static guint atk_bridge_focus_tracker_id = 0;
+static guint atk_bridge_key_event_listener_id = 0;
+static GArray *listener_ids = NULL;
+
+/*
+ * These exported symbols are hooked by gnome-program
+ * to provide automatic module initialization and shutdown.
+ */
+extern void gnome_accessibility_module_init (void);
+extern void gnome_accessibility_module_shutdown (void);
+
+static void
+spi_atk_bridge_init_event_type_consts ()
{
- ArgStruct *args = (ArgStruct *) g_new0(ArgStruct, 1);
- args->c = *argc;
- args->v = *argv;
- g_idle_add (bridge_register_app, args);
- g_atexit (bridge_exit_func);
+ static gboolean done = FALSE;
+
+ if (done)
+ return;
+
+ atk_signal_children_changed = g_signal_lookup ("children_changed",
+ ATK_TYPE_OBJECT);
+ atk_signal_text_changed = g_signal_lookup ("text_changed",
+ ATK_TYPE_TEXT);
+ atk_signal_active_descendant_changed =
+ g_signal_lookup ("active_descendant_changed",
+ ATK_TYPE_OBJECT);
+ atk_signal_link_selected = g_signal_lookup ("link_selected",
+ ATK_TYPE_HYPERTEXT);
+ atk_signal_text_selection_changed = g_signal_lookup ("text_selection_changed",
+ ATK_TYPE_TEXT);
+ done = TRUE;
}
-static gboolean
-bridge_register_app (gpointer gp)
+static int
+atk_bridge_init (gint *argc, gchar **argv[])
{
- CORBA_Object oclient;
- AtkObject *atko;
- char *obj_id;
- ArgStruct *args = (ArgStruct *)gp;
+ const char *debug_env_string = g_getenv ("AT_SPI_DEBUG");
- CORBA_exception_init(&ev);
+ if (atk_bridge_initialized)
+ {
+ return 0;
+ }
+ atk_bridge_initialized = TRUE;
- if (!bonobo_init (&(args->c), args->v))
+ if (debug_env_string)
+ _dbg = (int) g_ascii_strtod (debug_env_string, NULL);
+
+ if (!bonobo_init (argc, argv ? *argv : NULL))
{
g_error ("Could not initialize Bonobo");
}
- /* Create the accesssible application server object */
- this_app = spi_application_new(atk_get_root ());
+ /*
+ * We only want to enable the bridge for top level
+ * applications, we detect bonobo components by seeing
+ * if they were activated with the intention of extracting
+ * an impl. by IID - very solid.
+ */
+ if (bonobo_activation_iid_get ())
+ {
+ DBG (1, g_message ("Found Bonobo component\n"));
+ g_signal_connect (atk_get_root (),
+ "children-changed::add",
+ (GCallback) spi_atk_bridge_toplevel_added,
+ NULL);
+ g_signal_connect (atk_get_root (),
+ "children-changed::remove",
+ (GCallback) spi_atk_bridge_toplevel_removed,
+ NULL);
+ }
+ else
+ {
+ spi_atk_bridge_do_registration ();
+ spi_atk_bridge_init_event_type_consts ();
+ }
+
+ return 0;
+}
+
- obj_id = "OAFIID:Accessibility_Registry:proto0.1";
+static void
+spi_atk_bridge_do_registration (void)
+{
+ CORBA_Environment ev;
- oclient = bonobo_activation_activate_from_id (obj_id, 0, NULL, &ev);
- if (ev._major != CORBA_NO_EXCEPTION) {
- fprintf(stderr,
- ("Accessibility app error: exception during registry activation from id: %s\n"),
- CORBA_exception_id(&ev));
- CORBA_exception_free(&ev);
- exit(-1);
- }
+ CORBA_exception_init(&ev);
- if (CORBA_Object_is_nil (oclient, &ev))
+ if (spi_atk_bridge_get_registry () == CORBA_OBJECT_NIL)
{
g_error ("Could not locate registry");
}
- registry = (Accessibility_Registry) oclient;
+ bonobo_activate ();
- fprintf(stderr, "About to register application\n");
+ /* Create the accessible application server object */
- bonobo_activate ();
+ this_app = spi_application_new (atk_get_root ());
+
+ DBG (1, g_message ("About to register application\n"));
- Accessibility_Registry_registerApplication (registry,
- CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
+ spi_atk_bridge_register_application (spi_atk_bridge_get_registry ());
+
+ g_atexit (spi_atk_bridge_exit_func);
+
+ DBG (1, g_message ("Application registered & listening\n"));
+
+}
+
+static void
+spi_atk_bridge_toplevel_added (AtkObject *object,
+ guint index,
+ AtkObject *child)
+{
+ if (toplevels == 0)
+ {
+ spi_atk_bridge_do_registration ();
+ spi_atk_bridge_init_event_type_consts ();
+ }
+ toplevels++;
+}
+
+static void
+spi_atk_bridge_toplevel_removed (AtkObject *object,
+ guint index,
+ AtkObject *child)
+{
+ BonoboObject *app = (BonoboObject *) this_app;
+
+ toplevels--;
+ if (toplevels == 0)
+ {
+ deregister_application (app);
+ spi_atk_deregister_event_listeners ();
+ reinit_register_vars ();
+ }
+ if (toplevels < 0)
+ {
+ g_warning ("More toplevels removed than added\n");
+ toplevels = 0;
+ }
+}
+
+static void
+spi_atk_bridge_register_application (Accessibility_Registry registry)
+{
+ Accessibility_Registry_registerApplication (spi_atk_bridge_get_registry (),
+ BONOBO_OBJREF (this_app),
&ev);
+ spi_atk_register_event_listeners ();
+}
+
+static Accessibility_Registry
+spi_atk_bridge_get_registry (void)
+{
+ CORBA_Environment ev;
+
+ if (registry_died || (registry == CORBA_OBJECT_NIL)) {
+ CORBA_exception_init (&ev);
+ if (registry_died)
+ DBG (1, g_warning ("registry died! restarting..."));
+ registry = bonobo_activation_activate_from_id (
+ "OAFIID:Accessibility_Registry:1.0", 0, NULL, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ {
+ g_error ("Accessibility app error: exception during "
+ "registry activation from id: %s\n",
+ CORBA_exception_id (&ev));
+ CORBA_exception_free (&ev);
+ }
+
+ if (registry_died && registry) {
+ registry_died = FALSE;
+ spi_atk_bridge_register_application (registry);
+ }
+ }
+ return registry;
+}
+
+static Accessibility_DeviceEventController
+spi_atk_bridget_get_dec (void)
+{
+ CORBA_Environment ev;
- register_atk_event_listeners ();
+ if (device_event_controller != CORBA_OBJECT_NIL)
+ {
+ if (ORBit_small_get_connection_status (device_event_controller)
+ == ORBIT_CONNECTION_CONNECTED)
+ return device_event_controller;
+ }
+
+ CORBA_exception_init (&ev);
+
+ device_event_controller =
+ Accessibility_Registry_getDeviceEventController (
+ spi_atk_bridge_get_registry (), &ev);
+
+ if (BONOBO_EX (&ev))
+ {
+ g_warning ("failure: no deviceeventcontroller found\n");
+ registry_died = TRUE;
+ device_event_controller = CORBA_OBJECT_NIL;
+ }
- return FALSE;
+ return device_event_controller;
+}
+
+int
+gtk_module_init (gint *argc, gchar **argv[])
+{
+ return atk_bridge_init (argc, argv);
}
static void
-register_atk_event_listeners ()
+add_signal_listener (const char *signal_name)
{
- GType t;
+ guint id;
+
+ id = atk_add_global_event_listener (
+ spi_atk_bridge_signal_listener, signal_name);
+
+ g_array_append_val (listener_ids, id);
+}
+static void
+spi_atk_register_event_listeners (void)
+{
/*
* kludge to make sure the Atk interface types are registered, otherwise
* the AtkText signal handlers below won't get registered
*/
+ guint id;
+ GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
+ AtkObject *bo = atk_no_op_object_new (ao);
- AtkNoOpObject *o = atk_no_op_object_new (g_object_new (ATK_TYPE_OBJECT, NULL));
+
+ if (atk_listeners_registered) return;
+
+ atk_listeners_registered = TRUE;
/* Register for focus event notifications, and register app with central registry */
- g_type_class_ref (ATK_TYPE_TEXT);
- g_type_class_ref (ATK_TYPE_SELECTION);
- g_type_class_ref (ATK_TYPE_TABLE);
-
- atk_add_focus_tracker (bridge_focus_tracker);
- atk_add_global_event_listener (bridge_property_event_listener, "Gtk:AtkObject:property-change");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkObject:children-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkObject:visible-data-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkSelection:selection-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-selection-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-changed");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkText:text-caret-moved");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-inserted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-reordered");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:row-deleted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-inserted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-reordered");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:column-deleted");
- atk_add_global_event_listener (bridge_signal_listener, "Gtk:AtkTable:model-changed");
- atk_add_key_event_listener (bridge_key_listener, NULL);
+ listener_ids = g_array_sized_new (FALSE, TRUE, sizeof (guint), 16);
+
+ atk_bridge_focus_tracker_id = atk_add_focus_tracker (spi_atk_bridge_focus_tracker);
+
+ id = atk_add_global_event_listener (spi_atk_bridge_property_event_listener,
+ "Gtk:AtkObject:property-change");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:create");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:destroy");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:minimize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:maximize");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:restore");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:activate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_window_event_listener,
+ "window:deactivate");
+ g_array_append_val (listener_ids, id);
+ id = atk_add_global_event_listener (spi_atk_bridge_state_event_listener,
+ "Gtk:AtkObject:state-change");
+ g_array_append_val (listener_ids, id);
+
+ add_signal_listener ("Gtk:AtkObject:children-changed");
+ add_signal_listener ("Gtk:AtkObject:visible-data-changed");
+ add_signal_listener ("Gtk:AtkObject:active-descendant-changed");
+ add_signal_listener ("Gtk:AtkSelection:selection-changed");
+ add_signal_listener ("Gtk:AtkText:text-selection-changed");
+ add_signal_listener ("Gtk:AtkText:text-changed");
+ add_signal_listener ("Gtk:AtkText:text-caret-moved");
+ add_signal_listener ("Gtk:AtkTable:row-inserted");
+ add_signal_listener ("Gtk:AtkTable:row-reordered");
+ add_signal_listener ("Gtk:AtkTable:row-deleted");
+ add_signal_listener ("Gtk:AtkTable:column-inserted");
+ add_signal_listener ("Gtk:AtkTable:column-reordered");
+ add_signal_listener ("Gtk:AtkTable:column-deleted");
+ add_signal_listener ("Gtk:AtkTable:model-changed");
+ add_signal_listener ("Gtk:AtkHypertext:link-selected");
+/*
+ * May add the following listeners to implement preemptive key listening for GTK+
+ *
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-press-event");
+ * atk_add_global_event_listener (spi_atk_bridge_widgetkey_listener, "Gtk:GtkWidget:key-release-event");
+ */
+ atk_bridge_key_event_listener_id = atk_add_key_event_listener (
+ spi_atk_bridge_key_listener, NULL);
+
+ g_object_unref (G_OBJECT (bo));
+ g_object_unref (ao);
+}
+
+static void
+spi_atk_deregister_event_listeners (void)
+{
+ gint i;
+ guint id;
+
+ if (!atk_listeners_registered)
+ return;
+
+ atk_listeners_registered = FALSE;
+
+ for (i = 0; i < listener_ids->len; i++)
+ {
+ id = g_array_index (listener_ids, guint, i);
+ atk_remove_global_event_listener (id);
+ }
+ g_array_free (listener_ids, TRUE);
+ listener_ids = NULL;
+
+ atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
+ atk_bridge_focus_tracker_id = 0;
+
+ atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
+ atk_bridge_key_event_listener_id = 0;
+}
+
+static void
+deregister_application (BonoboObject *app)
+{
+ Accessibility_Registry registry = spi_atk_bridge_get_registry ();
+ Accessibility_Registry_deregisterApplication (registry, BONOBO_OBJREF (app), &ev);
+
+ device_event_controller = bonobo_object_release_unref (device_event_controller, &ev);
+ registry = bonobo_object_release_unref (registry, &ev);
+
+ app = bonobo_object_unref (app);
+}
+
+static void
+spi_atk_bridge_exit_func (void)
+{
+ BonoboObject *app = (BonoboObject *) this_app;
+
+ DBG (1, g_message ("exiting bridge\n"));
+
+ if (!app)
+ {
+ return;
+ }
+ this_app = NULL;
+
+ /*
+ * Check whether we still have windows which have not been deleted.
+ */
+ spi_atk_tidy_windows ();
+ /*
+ * FIXME: this may be incorrect for apps that do their own bonobo
+ * shutdown, until we can explicitly shutdown to get the ordering
+ * right.
+ */
+ if (!bonobo_is_initialized ())
+ {
+ DBG (1, g_warning ("Re-initializing bonobo\n"));
+ g_assert (bonobo_init (0, NULL));
+ g_assert (bonobo_activate ());
+ }
+
+ deregister_application (app);
+
+ DBG (1, g_message ("bridge exit func complete.\n"));
+
+ if (g_getenv ("AT_BRIDGE_SHUTDOWN"))
+ {
+ g_assert (!bonobo_debug_shutdown ());
+ }
}
-static void bridge_exit_func()
+void
+gnome_accessibility_module_init (void)
{
- fprintf (stderr, "exiting bridge\n");
- Accessibility_Registry_deregisterApplication (registry,
- CORBA_Object_duplicate (BONOBO_OBJREF (this_app), &ev),
- &ev);
- fprintf (stderr, "bridge exit func complete.\n");
+ atk_bridge_init (NULL, NULL);
+
+ g_print("Atk Accessibilty bridge initialized\n");
}
-static void bridge_focus_tracker (AtkObject *object)
+void
+gnome_accessibility_module_shutdown (void)
{
- Accessibility_Event *e = Accessibility_Event__alloc();
- e->type = CORBA_string_dup ("focus:");
- e->source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (object)), &ev);
- e->detail1 = 0;
- e->detail2 = 0;
- Accessibility_Registry_notifyEvent (registry, e, &ev);
+ BonoboObject *app = (BonoboObject *) this_app;
+ int i;
+ GArray *ids = listener_ids;
+
+ if (!atk_bridge_initialized)
+ {
+ return;
+ }
+ atk_bridge_initialized = FALSE;
+ this_app = NULL;
+
+ g_print("Atk Accessibilty bridge shutdown\n");
+
+ listener_ids = NULL;
+ atk_remove_focus_tracker (atk_bridge_focus_tracker_id);
+
+ for (i = 0; ids && i < ids->len; i++)
+ {
+ atk_remove_global_event_listener (g_array_index (ids, guint, i));
+ }
+
+ atk_remove_key_event_listener (atk_bridge_key_event_listener_id);
+
+ deregister_application (app);
+}
+
+static void
+spi_atk_bridge_focus_tracker (AtkObject *object)
+{
+ SpiAccessible *source;
+ Accessibility_Event e;
+
+ source = spi_accessible_new (object);
+
+ e.type = "focus:";
+ e.source = BONOBO_OBJREF (source);
+ e.detail1 = 0;
+ e.detail2 = 0;
+ spi_init_any_nil (&e.any_data);
+
+ CORBA_exception_init (&ev);
+ Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (), &e, &ev);
+ if (BONOBO_EX (&ev))
+ registry_died = TRUE;
+
+ bonobo_object_unref (source);
+
+ CORBA_exception_free (&ev);
+}
+
+static void
+spi_atk_emit_eventv (const GObject *gobject,
+ long detail1,
+ long detail2,
+ CORBA_any *any,
+ const char *format, ...)
+{
+ va_list args;
+ Accessibility_Event e;
+ SpiAccessible *source;
+ AtkObject *aobject;
+#ifdef SPI_BRIDGE_DEBUG
+ CORBA_string s;
+#endif
+
+ va_start (args, format);
+
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = spi_accessible_new (aobject);
+ g_object_unref (G_OBJECT (aobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ source = spi_accessible_new (aobject);
+ }
+ else
+ {
+ aobject = NULL;
+ source = NULL;
+ DBG (0, g_warning ("received property-change event from non-AtkImplementor"));
+ }
+
+ if (source)
+ {
+ e.type = g_strdup_vprintf (format, args);
+ e.source = BONOBO_OBJREF (source);
+ e.detail1 = detail1;
+ e.detail2 = detail2;
+ if (any) e.any_data = *any;
+ else spi_init_any_nil (&e.any_data);
+
+#ifdef SPI_BRIDGE_DEBUG
+ s = Accessibility_Accessible__get_name (BONOBO_OBJREF (source), &ev);
+ g_warning ("Emitting event '%s' (%lu, %lu) on %s",
+ e.type, e.detail1, e.detail2, s);
+ CORBA_free (s);
+#endif
+ CORBA_exception_init (&ev);
+ Accessibility_Registry_notifyEvent (spi_atk_bridge_get_registry (),
+ &e, &ev);
+#ifdef SPI_BRIDGE_DEBUG
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_warning ("error emitting event %s, (%d) %s",
+ e.type,
+ ev._major,
+ CORBA_exception_id(&ev));
+#endif
+ if (BONOBO_EX (&ev)) registry_died = TRUE;
+ Accessibility_Accessible_unref (e.source, &ev);
+
+ CORBA_exception_free (&ev);
+
+ g_free (e.type);
+ }
+
+ va_end (args);
+
}
static gboolean
-bridge_property_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_property_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = Accessibility_Event__alloc();
- Bonobo_Unknown source = NULL;
- AtkObject *aobject;
AtkPropertyValues *values;
GObject *gobject;
+ const gchar *prop_name;
+ CORBA_any any;
+ const gchar *sp = NULL;
+ AtkObject *ao;
+ SpiAccessible *s_ao = NULL;
+ CORBA_Object c_obj;
+ gint i;
+
+#ifdef SPI_BRIDGE_DEBUG
GSignalQuery signal_query;
- gchar *name;
- char sbuf[APP_STATIC_BUFF_SZ];
+ const gchar *name;
+ const gchar *s, *s2;
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
-#ifdef SPI_BRIDGE_DEBUG
- fprintf (stderr, "Received (property) signal %s:%s\n",
- g_type_name (signal_query.itype), name);
+
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+ DBG (2, g_message ("Received (property) signal %s:%s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, values->property_name, s, s2));
+
#endif
+
gobject = g_value_get_object (param_values + 0);
values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
- /* notify the actual listeners */
- if (ATK_IS_IMPLEMENTOR (gobject))
- {
- aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- g_object_unref (G_OBJECT(aobject));
- }
- else if (ATK_IS_OBJECT (gobject))
- {
- aobject = ATK_OBJECT (gobject);
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- }
+ prop_name = values->property_name;
+ if (strcmp (prop_name, "accessible-name") == 0)
+ {
+ sp = atk_object_get_name (ATK_OBJECT (gobject));
+ spi_init_any_string (&any, (gchar **)&sp);
+ }
+ else if (strcmp (prop_name, "accessible-description") == 0)
+ {
+ sp = atk_object_get_description (ATK_OBJECT (gobject));
+ spi_init_any_string (&any, (gchar **)&sp);
+ }
+ else if (strcmp (prop_name, "accessible-parent") == 0)
+ {
+ ao = atk_object_get_parent (ATK_OBJECT (gobject));
+ if (ao)
+ {
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
+ else if (strcmp (prop_name, "accessible-table-summary") == 0)
+ {
+ ao = atk_table_get_summary (ATK_TABLE (gobject));
+ if (ao)
+ {
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
+ else if (strcmp (prop_name, "accessible-table-column-header") == 0)
+ {
+ i = g_value_get_int (&(values->new_value));
+ ao = atk_table_get_column_header (ATK_TABLE (gobject), i);
+ if (ao)
+ {
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
+ else if (strcmp (prop_name, "accessible-table-row-header") == 0)
+ {
+ i = g_value_get_int (&(values->new_value));
+ ao = atk_table_get_row_header (ATK_TABLE (gobject), i);
+ if (ao)
+ {
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
+ else if (strcmp (prop_name, "accessible-table-row-description") == 0)
+ {
+ i = g_value_get_int (&(values->new_value));
+ sp = atk_table_get_row_description (ATK_TABLE (gobject), i);
+ spi_init_any_string (&any, (gchar **)&sp);
+ }
+ else if (strcmp (prop_name, "accessible-table-column-description") == 0)
+ {
+ i = g_value_get_int (&(values->new_value));
+ sp = atk_table_get_column_description (ATK_TABLE (gobject), i);
+ spi_init_any_string (&any, (gchar **)&sp);
+ }
+ else if (strcmp (prop_name, "accessible-table-caption-object") == 0)
+ {
+ ao = atk_table_get_caption (ATK_TABLE (gobject));
+ sp = atk_object_get_name (ao);
+ spi_init_any_string (&any, (gchar **)&sp);
+ }
else
- {
- g_error("received property-change event from non-AtkImplementor");
- }
-
- snprintf(sbuf, APP_STATIC_BUFF_SZ, "object:property-change:%s", values->property_name);
- e->type = CORBA_string_dup (sbuf);
- e->source = source;
- e->detail1 = 0;
- e->detail2 = 0;
- if (source)
- Accessibility_Registry_notifyEvent (registry, e, &ev);
+ {
+ spi_init_any_nil (&any);
+ }
+
+ spi_atk_emit_eventv (gobject, 0, 0, &any,
+ "object:property-change:%s", prop_name);
+
+
return TRUE;
}
static gboolean
-bridge_state_event_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_state_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = Accessibility_Event__alloc();
- Bonobo_Unknown source = NULL;
- AtkObject *aobject;
- AtkPropertyValues *values;
GObject *gobject;
+ gchar *property_name;
+ gchar *type;
+ unsigned long detail1;
+#ifdef SPI_BRIDGE_DEBUG
GSignalQuery signal_query;
- gchar *name;
- char sbuf[APP_STATIC_BUFF_SZ];
+ const gchar *name;
g_signal_query (signal_hint->signal_id, &signal_query);
name = signal_query.signal_name;
-#ifdef SPI_BRIDGE_DEBUG
fprintf (stderr, "Received (state) signal %s:%s\n",
g_type_name (signal_query.itype), name);
#endif
+
gobject = g_value_get_object (param_values + 0);
- values = (AtkPropertyValues*) g_value_get_pointer (param_values + 1);
+ property_name = g_strdup (g_value_get_string (param_values + 1));
+ detail1 = (g_value_get_boolean (param_values + 2))
+ ? 1 : 0;
+ type = g_strdup_printf ("object:state-changed:%s", property_name);
+ spi_atk_emit_eventv (gobject,
+ detail1,
+ 0,
+ NULL,
+ type);
+ g_free (property_name);
+ g_free (type);
+ return TRUE;
+}
- /* notify the actual listeners */
- if (ATK_IS_IMPLEMENTOR (gobject))
- {
- aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- g_object_unref (G_OBJECT(aobject));
- }
- else if (ATK_IS_OBJECT (gobject))
- {
- aobject = ATK_OBJECT (gobject);
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- }
+static void
+spi_init_keystroke_from_atk_key_event (Accessibility_DeviceEvent *keystroke,
+ AtkKeyEventStruct *event)
+{
+#ifdef SPI_DEBUG
+ if (event)
+ {
+ g_print ("event %c (%d)\n", (int) event->keyval, (int) event->keycode);
+ }
else
- {
- g_error("received property-change event from non-AtkImplementor");
- }
+#endif
+ if (!event)
+ {
+ g_print ("WARNING: NULL key event!");
+ }
- snprintf(sbuf, APP_STATIC_BUFF_SZ, "object:%s:%s", values->property_name, "?");
- e->type = CORBA_string_dup (sbuf);
- e->source = source;
- e->detail1 = (unsigned long) values->old_value.data[0].v_ulong;
- e->detail2 = (unsigned long) values->new_value.data[0].v_ulong;
- if (source)
- Accessibility_Registry_notifyEvent (registry, e, &ev);
- return TRUE;
+ keystroke->id = (CORBA_long) event->keyval;
+ keystroke->hw_code = (CORBA_short) event->keycode;
+ keystroke->timestamp = (CORBA_unsigned_long) event->timestamp;
+ keystroke->modifiers = (CORBA_unsigned_short) (event->state & 0xFFFF);
+ if (event->string)
+ {
+ gunichar c;
+
+ keystroke->event_string = CORBA_string_dup (event->string);
+ c = g_utf8_get_char_validated (event->string, -1);
+ if (c > 0 && g_unichar_isprint (c))
+ keystroke->is_text = CORBA_TRUE;
+ else
+ keystroke->is_text = CORBA_FALSE;
+ }
+ else
+ {
+ keystroke->event_string = CORBA_string_dup ("");
+ keystroke->is_text = CORBA_FALSE;
+ }
+ switch (event->type)
+ {
+ case (ATK_KEY_EVENT_PRESS):
+ keystroke->type = Accessibility_KEY_PRESSED_EVENT;
+ break;
+ case (ATK_KEY_EVENT_RELEASE):
+ keystroke->type = Accessibility_KEY_RELEASED_EVENT;
+ break;
+ default:
+ keystroke->type = 0;
+ break;
+ }
+#if 0
+ g_print ("key_event type %d; val=%d code=%d modifiers=%x name=%s is_text=%d, time=%lx\n",
+ (int) keystroke->type, (int) keystroke->id, (int) keystroke->hw_code,
+ (int) keystroke->modifiers,
+ keystroke->event_string, (int) keystroke->is_text, (unsigned long) keystroke->timestamp);
+#endif
}
static gint
-bridge_key_listener (AtkImplementor *atk_impl, AtkKeyEventStruct *event, gpointer data)
+spi_atk_bridge_key_listener (AtkKeyEventStruct *event, gpointer data)
{
- Accessibility_KeyStroke *key_event;
- static Accessibility_DeviceEventController controller = CORBA_OBJECT_NIL;
- if (controller == CORBA_OBJECT_NIL)
- {
- controller = Accessibility_Registry_getDeviceEventController (registry, &ev);
- }
- g_print ("bridge key listener fired!\n");
-/* Accessibility_DeviceEventController_notifyListenersSync (controller, key_event, &ev); */
+ CORBA_boolean result;
+ Accessibility_DeviceEvent key_event;
+
+ CORBA_exception_init (&ev);
+
+ spi_init_keystroke_from_atk_key_event (&key_event, event);
+
+ result = Accessibility_DeviceEventController_notifyListenersSync (
+ spi_atk_bridget_get_dec (), &key_event, &ev);
+
+ CORBA_exception_free (&ev);
+
+ return result;
}
static gboolean
-bridge_signal_listener (GSignalInvocationHint *signal_hint,
- guint n_param_values,
- const GValue *param_values,
- gpointer data)
+spi_atk_bridge_signal_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- Accessibility_Event *e = g_new0(Accessibility_Event, 1);
- AtkObject *aobject;
- Bonobo_Unknown source;
- AtkPropertyValues *values;
GObject *gobject;
GSignalQuery signal_query;
- gchar *name;
- char sbuf[APP_STATIC_BUFF_SZ];
+ const gchar *name;
+ const gchar *detail;
+ CORBA_any any;
+ CORBA_Object c_obj;
+ char *sp = NULL;
+ AtkObject *ao;
+ AtkText *text;
+ gint detail1 = 0, detail2 = 0;
+ SpiAccessible *s_ao = NULL;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s, *s2;
+#endif
g_signal_query (signal_hint->signal_id, &signal_query);
+
name = signal_query.signal_name;
+ if (signal_hint->detail)
+ detail = g_quark_to_string (signal_hint->detail);
+ else
+ detail = NULL;
+
#ifdef SPI_BRIDGE_DEBUG
- fprintf (stderr, "Received signal %s:%s\n",
- g_type_name (signal_query.itype), name);
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s detail: %s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name,
+ detail ? detail : "<NULL>", s ? s : "<NULL>" , s2);
#endif
+
gobject = g_value_get_object (param_values + 0);
- /* notify the actual listeners */
- if (ATK_IS_IMPLEMENTOR (gobject))
- {
- aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
- }
- else if (ATK_IS_OBJECT (gobject))
- {
- aobject = ATK_OBJECT (gobject);
- g_object_ref (aobject);
- }
+ if (signal_query.signal_id == atk_signal_active_descendant_changed)
+ {
+ gpointer child = g_value_get_pointer (param_values + 1);
+
+ g_return_val_if_fail (ATK_IS_OBJECT (child), TRUE);
+
+ ao = ATK_OBJECT (child);
+
+ detail1 = atk_object_get_index_in_parent (ao);
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ }
+ else if (signal_query.signal_id == atk_signal_link_selected)
+ {
+ if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
+ detail1 = g_value_get_int (param_values + 1);
+ spi_init_any_nil (&any);
+ }
+ else if ((signal_query.signal_id == atk_signal_children_changed) && gobject)
+ {
+ ao = atk_object_ref_accessible_child (ATK_OBJECT (gobject),
+ detail1);
+ if (ao)
+ {
+ s_ao = spi_accessible_new (ao);
+ c_obj = BONOBO_OBJREF (s_ao);
+ spi_init_any_object (&any, &c_obj);
+ g_object_unref (ao);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
else
- {
- g_error("received property-change event from non-AtkImplementor");
- }
+ {
+ if (n_param_values >= 2)
+ {
+ if (G_VALUE_TYPE (param_values + 1) == G_TYPE_INT)
+ detail1 = g_value_get_int (param_values + 1);
+ if (n_param_values >= 3)
+ {
+ if (G_VALUE_TYPE (param_values + 2) == G_TYPE_INT)
+ detail2 = g_value_get_int (param_values + 2);
+ }
+ }
+
+ if (signal_query.signal_id == atk_signal_text_changed)
+ {
+ sp = atk_text_get_text (ATK_TEXT (gobject),
+ detail1,
+ detail1+detail2);
+ spi_init_any_string (&any, &sp);
+ }
+ else if (signal_query.signal_id == atk_signal_text_selection_changed)
+ {
+ text = ATK_TEXT (gobject);
+
+ /* Return NULL as the selected string */
+ spi_init_any_nil (&any);
+ }
+ else
+ {
+ spi_init_any_nil (&any);
+ }
+ }
+
+ if (detail)
+ spi_atk_emit_eventv (gobject, detail1, detail2, &any,
+ "object:%s:%s", name, detail);
+ else
+ spi_atk_emit_eventv (gobject, detail1, detail2, &any,
+ "object:%s", name);
+
+ if (sp)
+ g_free (sp);
- snprintf(sbuf, APP_STATIC_BUFF_SZ, "%s:%s", name, g_type_name (signal_query.itype));
- source = CORBA_Object_duplicate (BONOBO_OBJREF (spi_accessible_new (aobject)), &ev);
- e->type = CORBA_string_dup (sbuf);
- e->source = source;
- e->detail1 = 0;
- e->detail2 = 0;
- Accessibility_Registry_notifyEvent (registry, e, &ev);
- g_object_unref (aobject);
return TRUE;
}
-static Accessibility_Registry bridge_get_registry ()
+static gboolean
+spi_atk_bridge_window_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
{
- return registry;
+ GObject *gobject;
+ GSignalQuery signal_query;
+ CORBA_any any;
+ const gchar *name, *s;
+#ifdef SPI_BRIDGE_DEBUG
+ const gchar *s2;
+#endif
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+
+ name = signal_query.signal_name;
+
+#ifdef SPI_BRIDGE_DEBUG
+ s2 = g_type_name (G_OBJECT_TYPE (g_value_get_object (param_values + 0)));
+ s = atk_object_get_name (ATK_OBJECT (g_value_get_object (param_values + 0)));
+ fprintf (stderr, "Received signal %s:%s from object %s (gail %s)\n",
+ g_type_name (signal_query.itype), name, s ? s : "<NULL>" , s2);
+#endif
+
+ gobject = g_value_get_object (param_values + 0);
+
+ s = atk_object_get_name (ATK_OBJECT (gobject));
+ spi_init_any_string (&any, (char **) &s);
+
+ spi_atk_emit_eventv (gobject, 0, 0, &any,
+ "window:%s", name);
+ return TRUE;
+}
+
+static void
+spi_atk_tidy_windows (void)
+{
+ AtkObject *root;
+ gint n_children;
+ gint i;
+
+ root = atk_get_root ();
+ n_children = atk_object_get_n_accessible_children (root);
+ for (i = 0; i < n_children; i++)
+ {
+ AtkObject *child;
+ AtkStateSet *stateset;
+ CORBA_any any;
+ const gchar *name;
+
+ child = atk_object_ref_accessible_child (root, i);
+ stateset = atk_object_ref_state_set (child);
+
+ name = atk_object_get_name (child);
+ spi_init_any_string (&any, (char**) &name);
+ if (atk_state_set_contains_state (stateset, ATK_STATE_ACTIVE))
+ {
+ spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:deactivate");
+ }
+ g_free (stateset);
+
+ spi_atk_emit_eventv (G_OBJECT (child), 0, 0, &any, "window:destroy");
+ g_object_unref (child);
+ }
}
+
+static void
+reinit_register_vars (void)
+{
+ registry = CORBA_OBJECT_NIL;
+ device_event_controller = CORBA_OBJECT_NIL;
+ this_app = NULL;
+}
+
projects / platform / core / uifw / at-spi2-atk.git / blobdiff